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linux-stable-rt/arch/arm/plat-samsung/include/plat/cpu.h

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/* linux/arch/arm/plat-samsung/include/plat/cpu.h
*
* Copyright (c) 2011 Samsung Electronics Co., Ltd.
* http://www.samsung.com/
*
* Copyright (c) 2004-2005 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
*
* Header file for Samsung CPU support
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/* todo - fix when rmk changes iodescs to use `void __iomem *` */
#ifndef __SAMSUNG_PLAT_CPU_H
#define __SAMSUNG_PLAT_CPU_H
extern unsigned long samsung_cpu_id;
#define S3C24XX_CPU_ID 0x32400000
#define S3C24XX_CPU_MASK 0xFFF00000
#define S3C6400_CPU_ID 0x36400000
#define S3C6410_CPU_ID 0x36410000
#define S3C64XX_CPU_MASK 0xFFFFF000
#define S5P6440_CPU_ID 0x56440000
#define S5P6450_CPU_ID 0x36450000
#define S5P64XX_CPU_MASK 0xFFFFF000
#define S5PC100_CPU_ID 0x43100000
#define S5PC100_CPU_MASK 0xFFFFF000
#define S5PV210_CPU_ID 0x43110000
#define S5PV210_CPU_MASK 0xFFFFF000
#define EXYNOS4210_CPU_ID 0x43210000
#define EXYNOS4212_CPU_ID 0x43220000
#define EXYNOS4412_CPU_ID 0xE4412200
#define EXYNOS4_CPU_MASK 0xFFFE0000
#define IS_SAMSUNG_CPU(name, id, mask) \
static inline int is_samsung_##name(void) \
{ \
return ((samsung_cpu_id & mask) == (id & mask)); \
}
IS_SAMSUNG_CPU(s3c24xx, S3C24XX_CPU_ID, S3C24XX_CPU_MASK)
IS_SAMSUNG_CPU(s3c6400, S3C6400_CPU_ID, S3C64XX_CPU_MASK)
IS_SAMSUNG_CPU(s3c6410, S3C6410_CPU_ID, S3C64XX_CPU_MASK)
IS_SAMSUNG_CPU(s5p6440, S5P6440_CPU_ID, S5P64XX_CPU_MASK)
IS_SAMSUNG_CPU(s5p6450, S5P6450_CPU_ID, S5P64XX_CPU_MASK)
IS_SAMSUNG_CPU(s5pc100, S5PC100_CPU_ID, S5PC100_CPU_MASK)
IS_SAMSUNG_CPU(s5pv210, S5PV210_CPU_ID, S5PV210_CPU_MASK)
IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK)
IS_SAMSUNG_CPU(exynos4212, EXYNOS4212_CPU_ID, EXYNOS4_CPU_MASK)
IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK)
#if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \
defined(CONFIG_CPU_S3C2416) || defined(CONFIG_CPU_S3C2440) || \
defined(CONFIG_CPU_S3C2442) || defined(CONFIG_CPU_S3C244X) || \
defined(CONFIG_CPU_S3C2443)
# define soc_is_s3c24xx() is_samsung_s3c24xx()
#else
# define soc_is_s3c24xx() 0
#endif
#if defined(CONFIG_CPU_S3C6400) || defined(CONFIG_CPU_S3C6410)
# define soc_is_s3c64xx() (is_samsung_s3c6400() || is_samsung_s3c6410())
#else
# define soc_is_s3c64xx() 0
#endif
#if defined(CONFIG_CPU_S5P6440)
# define soc_is_s5p6440() is_samsung_s5p6440()
#else
# define soc_is_s5p6440() 0
#endif
#if defined(CONFIG_CPU_S5P6450)
# define soc_is_s5p6450() is_samsung_s5p6450()
#else
# define soc_is_s5p6450() 0
#endif
#if defined(CONFIG_CPU_S5PC100)
# define soc_is_s5pc100() is_samsung_s5pc100()
#else
# define soc_is_s5pc100() 0
#endif
#if defined(CONFIG_CPU_S5PV210)
# define soc_is_s5pv210() is_samsung_s5pv210()
#else
# define soc_is_s5pv210() 0
#endif
#if defined(CONFIG_CPU_EXYNOS4210)
# define soc_is_exynos4210() is_samsung_exynos4210()
#else
# define soc_is_exynos4210() 0
#endif
#if defined(CONFIG_SOC_EXYNOS4212)
# define soc_is_exynos4212() is_samsung_exynos4212()
#else
# define soc_is_exynos4212() 0
#endif
#if defined(CONFIG_SOC_EXYNOS4412)
# define soc_is_exynos4412() is_samsung_exynos4412()
#else
# define soc_is_exynos4412() 0
#endif
#define EXYNOS4210_REV_0 (0x0)
#define EXYNOS4210_REV_1_0 (0x10)
#define EXYNOS4210_REV_1_1 (0x11)
#define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE }
#ifndef MHZ
#define MHZ (1000*1000)
#endif
#define print_mhz(m) ((m) / MHZ), (((m) / 1000) % 1000)
/* forward declaration */
struct s3c24xx_uart_resources;
struct platform_device;
struct s3c2410_uartcfg;
struct map_desc;
/* per-cpu initialisation function table. */
struct cpu_table {
unsigned long idcode;
unsigned long idmask;
void (*map_io)(void);
void (*init_uarts)(struct s3c2410_uartcfg *cfg, int no);
void (*init_clocks)(int xtal);
int (*init)(void);
const char *name;
};
extern void s3c_init_cpu(unsigned long idcode,
struct cpu_table *cpus, unsigned int cputab_size);
/* core initialisation functions */
extern void s3c24xx_init_irq(void);
extern void s3c64xx_init_irq(u32 vic0, u32 vic1);
extern void s5p_init_irq(u32 *vic, u32 num_vic);
extern void s3c24xx_init_io(struct map_desc *mach_desc, int size);
extern void s3c64xx_init_io(struct map_desc *mach_desc, int size);
extern void s5p_init_io(struct map_desc *mach_desc,
int size, void __iomem *cpuid_addr);
extern void s3c24xx_init_cpu(void);
extern void s3c64xx_init_cpu(void);
extern void s5p_init_cpu(void __iomem *cpuid_addr);
extern unsigned int samsung_rev(void);
extern void s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no);
extern void s3c24xx_init_clocks(int xtal);
extern void s3c24xx_init_uartdevs(char *name,
struct s3c24xx_uart_resources *res,
struct s3c2410_uartcfg *cfg, int no);
/* timer for 2410/2440 */
struct sys_timer;
extern struct sys_timer s3c24xx_timer;
extern struct syscore_ops s3c2410_pm_syscore_ops;
extern struct syscore_ops s3c2412_pm_syscore_ops;
extern struct syscore_ops s3c2416_pm_syscore_ops;
extern struct syscore_ops s3c244x_pm_syscore_ops;
extern struct syscore_ops s3c64xx_irq_syscore_ops;
/* system device classes */
extern struct sysdev_class s3c2410_sysclass;
extern struct sysdev_class s3c2410a_sysclass;
extern struct sysdev_class s3c2412_sysclass;
extern struct sysdev_class s3c2416_sysclass;
extern struct sysdev_class s3c2440_sysclass;
extern struct sysdev_class s3c2442_sysclass;
extern struct sysdev_class s3c2443_sysclass;
extern struct sysdev_class s3c6410_sysclass;
extern struct sysdev_class s3c64xx_sysclass;
extern struct sysdev_class s5p64x0_sysclass;
extern struct sysdev_class s5pv210_sysclass;
extern struct sysdev_class exynos4_sysclass;
extern void (*s5pc1xx_idle)(void);
#endif
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